The present invention is of a method for reducing activity of inflammatory immune cells by exposure to selenium. Particularly, the invention relates to a method of short-term, high dose dietary selenium supplementation for treating a subject having an inflammatory disease, particularly inflammatory bowel disease (IBD). An article of manufacture comprising a pharmaceutical composition providing a therapeutic selenium unit dosage suitable for the method of the present invention is also provided.


> Element having porphyrin polymer fixed on a substrate and method of preparing the same

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